參數(shù)資料
型號(hào): S-8353H20MC-IWFT2G
元件分類: 穩(wěn)壓器
英文描述: 0.3 A SWITCHING REGULATOR, 287.5 kHz SWITCHING FREQ-MAX, PDSO5
封裝: LEAD FREE, SOT-23, 5 PIN
文件頁(yè)數(shù): 21/49頁(yè)
文件大?。?/td> 479K
代理商: S-8353H20MC-IWFT2G
STEP-UP, PWM CONTROL or PWM / PFM SWITCHABLE BUILT-IN TRANSISTOR SWITCHING REGULATOR
S-8353/8354 Series
Rev.3.0_00
Seiko Instruments Inc.
28
(6) Oscillation Frequency (fOSC) vs. Temperature (Ta)
fOSC = 50 kHz
fOSC = 250 kHz
30
40
50
60
70
40 20 0
20
40
60
80 100
Ta [
°C]
f OS
C
[kHz]
150
200
250
300
350
40 20 0
20
40
60 80 100
f OSC
[k
H
z
]
Ta [
°C]
(7) Maximum Duty Ratio (MaxDuty) vs. Temperature (Ta)
fOSC = 50 kHz
fOSC = 250 kHz
40 20 0 20 40 60 80 100
Ta [
°C]
MaxDu
ty
[%]
50
60
70
80
90
100
40 20 0
20
40
60
80 100
Ta [
°C]
MaxDu
ty
[%]
50
60
70
80
90
100
(8) PWM / PFM Switching Duty Ratio (PFMDuty) vs.
Temperature (Ta) (S-8354 Series)
(9)
OFF
/
ON
Pin Input Voltage “H” (VSH) vs.
Temperature (Ta)
fOSC = 250 kHz
5
10
15
20
25
40 20 0
20
40
60
80 100
Ta [
°C]
PF
MDut
y
[
%
]
0
0.2
0.4
0.6
0.8
1.0
40 20 0
20
40
60
80 100
Ta [
°C]
V
SH
[V]
(10)
OFF
/
ON
Pin Input Voltage “L” 1 (VSL1) vs.
Temperature (Ta) (S-8354 Series)
(11)
OFF
/
ON
Pin Input Voltage “L” 2 (VSL2) vs.
Temperatuer (Ta)
fOSC = 250 kHz
0
0.2
0.4
0.6
0.8
1.0
40 20 0
20
40
60
80 100
V
SL
1
[V
]
Ta [
°C]
0
0.2
0.4
0.6
0.8
1.0
40 20 0
20
40
60
80 100
Ta [
°C]
V
SL2
[V
]
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